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AS3900 - Demo Board Manual
27MHz Low Power FSK Transceiver
General Description
Board Description
Figure 1: Board Description Top – User Interface
User Interface Description
Figure 2: Board Description Bottom – Connectors
Label
Name
Description
Info
Data of the brightness-sensor is
A
SENSOR
Brightness Sensor
transmitted from the client to the
master over the HF-Interface
B
C
D
E
F
G
WAKEUP
PAIR
MASTER/CLIENT
ID SELECTION
POWER
USB –
Connector
Wakeup – Button
Pair – Button
Master/Client – Selection
Switch
Dip Switch for ID Selection
ON/OFF Switch
Mini USB 5-pin Connector
Initiates wakeup to start/stop
communication
Initiates pairing-procedure to establish
network
Selects board to operate as master or
client
Select an unique ID for each client
Power on/off the Demoboard. Select
the Source (Battery or USB)
Supplies the AS3900 with 5V. Connect
Master to a standard USB port.
Note: The Master-Demoboard should be connected via USB to a standard USB port. Supply the Master from the
USB-Interface. Supply the Clients from the 3V Battery.
Indication LEDs
LEDs
Blinking Colour
MASTER
CLIENT
PAIR
Red LED
Green LED
Master is collecting IDs of
existing Clients
Master established a network
with at least one client
Client is prepared to be added
to network
Indicates a paired client. ID of
Client was exchanged with
Master
WAKEUP
TRANS-PACK
RCV-PACK
LOST-PACK
Red LED
Green LED
Green LED
Orange LED
Red LED
Master sends wakeup
sequence to Clients
Master awoke at least one
Client and exchanges data
Data packages are transmitted
Data packages are received
Data packages are lost
Client is prepared for
transmitting sensor data
Client is woken up and
transmits data
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